feature: create authentication class for flows user-api-token

marketplace/accounts/authorizations.py

@@ -0,0 +1,26 @@
+from mozilla_django_oidc.contrib.drf import OIDCAuthentication
+from marketplace.connect.client import ConnectProjectClient
+
+
+class FlowsOIDCAuthentication(OIDCAuthentication):  # pragma: no cover
+    def is_flows_token(self, token):
+        """
+        Check if the token is likely a Flows token based on its length.
+        """
+        return len(token) == 40
+
+    def authenticate(self, request):
+        access_token = self.get_access_token(request)
+        if not access_token:
+            return None
+
+        if self.is_flows_token(access_token):
+            client = ConnectProjectClient()
+            response = client.get_user_api_token(
+                request.data["user_email"], access_token
+            )
+
+            if response:
+                return (request.user, access_token)
+
+        return super().authenticate(request)

marketplace/wpp_templates/views.py

@@ -29,6 +29,8 @@
 from .requests import TemplateMessageRequest
 from .languages import LANGUAGES
 
+from marketplace.accounts.authorizations import FlowsOIDCAuthentication
+
 
 WHATSAPP_VERSION = settings.WHATSAPP_VERSION
 
@@ -49,6 +51,7 @@ class TemplateMessageViewSet(viewsets.ModelViewSet):
     lookup_field = "uuid"
     serializer_class = TemplateMessageSerializer
     pagination_class = CustomResultsPagination
+    authentication_classes = [FlowsOIDCAuthentication]
 
     def filter_queryset(self, queryset):
         params = self.request.query_params